Traverso/cvs/traverso/src/core/AudioFileMerger.h

/*
Copyright (C) 2007 Remon Sijrier 

This file is part of Traverso

Traverso is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA.

*/

#ifndef AUDIO_FILE_MERGER_H
#define AUDIO_FILE_MERGER_H

#include <QThread>
#include <QQueue>
#include <QMutex>

class ReadSource;

class AudioFileMerger : public QThread
{
        Q_OBJECT
public:
        AudioFileMerger();
        void run() {
                exec();
        }
        
        void enqueue_task(ReadSource* source0, ReadSource* source2, const QString& dir, const QString& outfilename);
        void stop_merging();

                
private slots:
        void dequeue_tasks();
        
private:
        struct MergeTask {
                QString outFileName;
                QString dir;
                ReadSource* readsource0;
                ReadSource* readsource1;
        };
        
        QQueue<MergeTask> m_tasks;
        QMutex m_mutex;
        bool m_stopMerging;
        
        void process_task(MergeTask task);
        
signals:
        void dequeueTask();
        void progress(int);
        void taskStarted(QString);
        void taskFinished(QString);
        void processingStopped();
};

#endif

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